Inhibitory Postsynaptic Potentials (IPSPs) Result from

question 115

Multiple Choice

Inhibitory postsynaptic potentials (IPSPs) result from

• A) sodium ions entering the postsynaptic membrane.
• B) potassium ions entering the postsynaptic membrane.
• C) chloride ions entering the postsynaptic membrane.
• D) G-protein activation.

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Definitions:

Lewis Structure

A Lewis structure is a diagrammatic representation of the arrangement of valence electrons around atoms in molecules, indicating the bonding between atoms as well as the lone pairs of electrons.

Ethyne

A colorless gas with a sharp, distinct odor; the simplest alkyne, it is a hydrocarbon with the formula C2H2.

Acetylene

A hydrocarbon and the simplest alkyne, used as a fuel and a chemical building block, recognized by its formula C2H2.

Covalently Bonded Molecule

A molecule whose atoms are held together by covalent bonds, which involve the sharing of electron pairs between atoms.